title: Age assessment of ivory by analysis of 14C and 90Sr to determine whether there is an antique on hand.
abstract: A method is described to determine whether an elephant has died before 1955 or not. This is accomplished by determination of the radionuclides (14)C and (90)Sr in artifacts made of ivory. The reliability of this method is considerably increased by double nuclide analysis and therefore is applicable for judicial expert opinions.
authors.affiliation: Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, D-93040 Regensburg, Germany.
authors.forename: Stefanie A K
authors.initials: SA
authors.lastname: Schmied
authors.forename: Matthias J
authors.initials: MJ
authors.lastname: Brunnermeier
authors.forename: Robert
authors.initials: R
authors.lastname: Schupfner
authors.forename: Otto S
authors.initials: OS
authors.lastname: Wolfbeis
mesh_terms: D000818:Animals; D002118:Calcium / Q000032:analysis; D002250:Carbon Radioisotopes / Q000032:analysis*; D003132:Commerce / Q000331:legislation & jurisprudence*; D003415:Crime; D004606:Elephants; D056727:Endangered Species; D057230:Limit of Detection; D012588:Scintillation Counting; D013326:Strontium Radioisotopes / Q000032:analysis*; D013997:Time Factors
chemical_list: D002250:Carbon Radioisotopes; D013326:Strontium Radioisotopes; D002118:Calcium